Seong W. Chang

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Anyang, KR

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Patents Grantslast 30 patents

Information Patent Grant
Control system using programmable logic controller
- Patent number 6,021,356
- Issue date Feb 1, 2000
- LG Industrial Systems Co., Ltd.
- Seong Wook Chang
- G05 - CONTROLLING REGULATING
Information Patent Grant
Parameter setting method for PLC communication system
- Patent number 5,566,176
- Issue date Oct 15, 1996
- LG Industrial Systems Co., Ltd.
- Seong W. Chang
- G05 - CONTROLLING REGULATING